says he will block confirmation of chuck hagel for defense secretary and john brennan for c.i.a. until they clear up issues ranging from the terrorist attack on the u.s. consulate in benghazi to enhanced interrogation techniques for suspected terrorists. i don't think we should allow brennan to go forward for the c.i.a. directorship, hagel to be confirmed to secretary of defense until white house gives us an accounting. >> democrats are angry and worried. >> what is unfortunate is the account to politicize an issue. they need to be confirmed. >> hagel is not for defense secretary faces committee vote wednesday. some republicans, though not mccain threatened to walk out in protest. hagel and brennan nomination could be put on hold before a final floor vote. should either nomination get that far they could face filibusters. >> i want 60-vote margin. you don't have to fill buster to get. they would threat on the call 60-vote margin. >> the president's only new confirmed secretary is john kerry replacing hillary clinton at state. but kerry was the president's second choice, only after u.n.